Carcinogenic chemicals are used in the manufacturing of synthetic substances and materials and are off-gased from new materials for some time (up to several years, depending on the material of product in question). Benzene can also be emitted from gas ranges during use.

The three main household toxins of concern are:

  • benzene
  • formaldahyde
  • trichloroethylene

House Smells
Mold, Mildew and algae
Toxic and Non-Toxic Plants - Animal Poison Control | ASPCA

last updated 26 Dec 2015